On my last day of teaching Environmental Studies, I posed a question to my students. I explained that for some time in my childhood, my father worked in the airline industry. “What does this have to do with the environment?” I asked. Sadly, even after an entire semester, few if any of my students could make the connection. Air transportation is one of the most polluting industries. Depending on the type of car you use and the amount you use it, one to two flights can generate the same amount of carbon emissions as a whole year of driving. From the consumption of fossil fuels, to the toxic substances utilized or emitted such as jet fuel and de-icing fluid, to all of the disposable products and packages within the plane and the airport, to so much more...